6 lobed type recess, for most popular in the world

※Also available for 6 lobed with tamper proof

High torque transmission

Optimize torque transmission and eliminate damaging point to point contact of recess and tool bit

Increase tool bit life

Increase tool engagement with broad vertical sidewalls and minimize damage of tool bit

Small contact surface of recess

Need smaller contact of recess / bit allows use of thinner head

Increase operation

Easy start driving and can use at any positions